Upgrade your electronic shifting experience with the Shimano EW-SD50 Di2 Electric Wire, the backbone of a clean, reliable, and high-performance Di2 setup. Engineered for Shimano’s proven e-Tube system, this wire delivers lightning-fast signal transmission for precise, effortless gear changes every time you ride. Its slim connectors and flexible design make installation simple, whether you’re routing cables internally for a sleek finish or externally for easy access. Built to withstand the elements, the EW-SD50 resists moisture, corrosion, and wear—ensuring long-term durability and consistent performance. Just plug it in, choose the right length for your build, and enjoy the seamless feel of Shimano Di2.

Key Features:

• Designed for Shimano e-Tube Di2 electronic shifting systems
• Plug-and-play installation for quick and hassle-free setup
• Dual-core wiring for fast, accurate signal transmission
• Compact 5.1mm connectors for tidy internal or external routing
• Water-resistant construction for reliable performance in all conditions

Compatible Shimano Di2 Systems

The EW-SD50 wire is used across Shimano’s 2-port e-Tube Di2 platforms (primarily 11-speed systems), including:

Road:

• Dura-Ace Di2 9070
• Ultegra Di2 6870
• Ultegra Di2 6770

Gravel:

• GRX Di2 RX815 / RX817

Time Trial / Triathlon:

• Dura-Ace Di2 9070 TT
• Ultegra Di2 6870 TT

Mountain Bike:

• XTR Di2 M9050
• Deore XT Di2 M8050

Compatibility Note

• Uses Shimano’s e-Tube 2-wire system (SD50 standard)
• Not compatible with Dura-Ace 7970 Di2
• Not compatible with newer 12-speed Di2 systems (SD300 wiring)

If you’re unsure on sizing or building out a full Di2 setup, I can help you map out exactly what you need for a clean, dialled build.